cloudflare-r2-uploader[.]exe

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General

Target

cloudflare-r2-uploader.exe
Size

14.7MB
MD5

a4d569cbf846b3092378ee3afd55beaa
SHA1

ad188df282c62c537cd0beef5bdb3e0ce3d231cc
SHA256

29f69f138ed16330553c0b775a4d2b1a9b5b745a2e7f4d0e4880369dd6c5d796
SHA512

0f86f6dd66f541a142837cce19687421955642b93d16bdd7f24c44d150d9efb0d056622de8391e54a22e3a6d8b75826cdae0ef3064d7a8b72665ed89edd5e092
SSDEEP

98304:/HBePnw9oxVVERzfiEHCJM0oMN91xqxA6QC7xgJvF8qO9Imkcn18iVUJAFV:/HBqnw9oDVcQMm+ATS22OmIK

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
cloudflare-r2-uploader.exe

Files

cloudflare-r2-uploader.exe
.exe windows x64

9cbefe68f395e67356e2a5d8d1b285c0

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

WriteFile
WriteConsoleW
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
PostQueuedCompletionStatus
LoadLibraryA
LoadLibraryW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetEnvironmentStringsW
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler

Sections

.text
Size: 5.1MB - Virtual size: 5.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 4.8MB - Virtual size: 4.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 292KB - Virtual size: 680KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

/4
Size: 512B - Virtual size: 295B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 789KB - Virtual size: 788KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/32
Size: 169KB - Virtual size: 169KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/46
Size: 512B - Virtual size: 63B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/65
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/78
Size: 1.0MB - Virtual size: 1.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/90
Size: 254KB - Virtual size: 253KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.idata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 84KB - Virtual size: 84KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.symtab
Size: 851KB - Virtual size: 851KB

IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9cbefe68f395e67356e2a5d8d1b285c0

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 5.1MB - Virtual size: 5.1MB

.rdata Size: 4.8MB - Virtual size: 4.8MB

.data Size: 292KB - Virtual size: 680KB

/4 Size: 512B - Virtual size: 295B

/19 Size: 789KB - Virtual size: 788KB

/32 Size: 169KB - Virtual size: 169KB

/46 Size: 512B - Virtual size: 63B

/65 Size: 1.4MB - Virtual size: 1.4MB

/78 Size: 1.0MB - Virtual size: 1.0MB

/90 Size: 254KB - Virtual size: 253KB

.idata Size: 1KB - Virtual size: 1KB

.reloc Size: 84KB - Virtual size: 84KB

.symtab Size: 851KB - Virtual size: 851KB

.text
Size: 5.1MB - Virtual size: 5.1MB

.rdata
Size: 4.8MB - Virtual size: 4.8MB

.data
Size: 292KB - Virtual size: 680KB

/4
Size: 512B - Virtual size: 295B

/19
Size: 789KB - Virtual size: 788KB

/32
Size: 169KB - Virtual size: 169KB

/46
Size: 512B - Virtual size: 63B

/65
Size: 1.4MB - Virtual size: 1.4MB

/78
Size: 1.0MB - Virtual size: 1.0MB

/90
Size: 254KB - Virtual size: 253KB

.idata
Size: 1KB - Virtual size: 1KB

.reloc
Size: 84KB - Virtual size: 84KB

.symtab
Size: 851KB - Virtual size: 851KB